subzone

例句：

1. 1. The study of climate change in the Arctic subzone is crucial for understanding global warming.
   北极亚区的气候变化研究对于理解全球变暖至关重要。
2. 2. The researchers have identified several subzones within the region that require special attention.
   研究人员已经确定了该地区的几个次区域，这些区域需要特别关注。
3. 3. The subzone's unique ecosystem has been a subject of scientific inquiry for decades.
   这个次区域的独特的生态系统是科学探究了几十年的主题。